1500040393 has 2 divisors, whose sum is σ = 1500040394. Its totient is φ = 1500040392.

The previous prime is 1500040379. The next prime is 1500040429. The reversal of 1500040393 is 3930400051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1167452224 + 332588169 = 34168^2 + 18237^2 .

It is a cyclic number.

It is not a de Polignac number, because 1500040393 - 2¹⁷ = 1499909321 is a prime.

It is not a weakly prime, because it can be changed into another prime (1500040343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750020196 + 750020197.

It is an arithmetic number, because the mean of its divisors is an integer number (750020197).

Almost surely, 2^1500040393 is an apocalyptic number.

It is an amenable number.

1500040393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1500040393 is an equidigital number, since it uses as much as digits as its factorization.

1500040393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 1500040393 is about 38730.3549299513. The cubic root of 1500040393 is about 1144.7245176705.

The spelling of 1500040393 in words is "one billion, five hundred million, forty thousand, three hundred ninety-three".